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A 5000-ML Sample of 0

question 78

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A 50.00-mL sample of 0.100 M Ca(NO3) 2 is mixed with 50.00 mL of 0.200 M NaF. When the system has come to equilibrium, which of the following sets of conditions will hold? The Ksp for CaF2 is 4.0 × 10-11. A 50.00-mL sample of 0.100 M Ca(NO<sub>3</sub>) <sub>2</sub> is mixed with 50.00 mL of 0.200 M NaF. When the system has come to equilibrium, which of the following sets of conditions will hold? The K<sub>sp</sub> for CaF<sub>2</sub> is 4.0 × 10<sup>-11</sup>.   A)  10.0 × 10<sup>-3</sup> 1.3 × 10<sup>-5</sup> M 1.3 × 10<sup>-5</sup> M B)  5.0 × 10<sup>-3</sup> 3.5 × 10<sup>-4</sup> M 7.0 × 10<sup>-4</sup> M C)  5.0 × 10<sup>-3</sup> 2.2 × 10<sup>-4</sup> M 4.3 × 10<sup>-4</sup> M D)  5.0 × 10<sup>-3</sup> 3.5 × 10<sup>-4</sup> M 4.3 × 10<sup>-4</sup> M E)  5.0 × 10<sup>-3</sup> 3.4 × 10<sup>-9</sup> M 5.0 × 10<sup>-2</sup> M


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